/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sun.org.apache.xerces.internal.jaxp;

import com.sun.org.apache.xerces.internal.xni.Augmentations;
import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
import com.sun.org.apache.xerces.internal.xni.QName;
import com.sun.org.apache.xerces.internal.xni.XMLAttributes;
import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler;
import com.sun.org.apache.xerces.internal.xni.XMLLocator;
import com.sun.org.apache.xerces.internal.xni.XMLResourceIdentifier;
import com.sun.org.apache.xerces.internal.xni.XMLString;
import com.sun.org.apache.xerces.internal.xni.XNIException;
import com.sun.org.apache.xerces.internal.xni.parser.XMLDocumentFilter;
import com.sun.org.apache.xerces.internal.xni.parser.XMLDocumentSource;

/**
 * <p>XMLDocumentHandler which forks the pipeline to two other components.</p>
 *
 * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
class TeeXMLDocumentFilterImpl implements XMLDocumentFilter {

  /**
   * The next component in the pipeline who receives the event.
   * This component receives events after the "side" handler
   * receives them.
   */
  private XMLDocumentHandler next;

  /**
   * The component who intercepts events.
   */
  private XMLDocumentHandler side;

  /**
   * The source of the event.
   */
  private XMLDocumentSource source;

  public XMLDocumentHandler getSide() {
    return side;
  }

  public void setSide(XMLDocumentHandler side) {
    this.side = side;
  }

  public XMLDocumentSource getDocumentSource() {
    return source;
  }

  public void setDocumentSource(XMLDocumentSource source) {
    this.source = source;
  }

  public XMLDocumentHandler getDocumentHandler() {
    return next;
  }

  public void setDocumentHandler(XMLDocumentHandler handler) {
    next = handler;
  }

  //
  //
  //  XMLDocumentHandler implementation
  //
  //

  public void characters(XMLString text, Augmentations augs) throws XNIException {
    side.characters(text, augs);
    next.characters(text, augs);
  }

  public void comment(XMLString text, Augmentations augs) throws XNIException {
    side.comment(text, augs);
    next.comment(text, augs);
  }

  public void doctypeDecl(String rootElement, String publicId, String systemId, Augmentations augs)
      throws XNIException {
    side.doctypeDecl(rootElement, publicId, systemId, augs);
    next.doctypeDecl(rootElement, publicId, systemId, augs);
  }

  public void emptyElement(QName element, XMLAttributes attributes, Augmentations augs)
      throws XNIException {
    side.emptyElement(element, attributes, augs);
    next.emptyElement(element, attributes, augs);
  }

  public void endCDATA(Augmentations augs) throws XNIException {
    side.endCDATA(augs);
    next.endCDATA(augs);
  }

  public void endDocument(Augmentations augs) throws XNIException {
    side.endDocument(augs);
    next.endDocument(augs);
  }

  public void endElement(QName element, Augmentations augs) throws XNIException {
    side.endElement(element, augs);
    next.endElement(element, augs);
  }

  public void endGeneralEntity(String name, Augmentations augs) throws XNIException {
    side.endGeneralEntity(name, augs);
    next.endGeneralEntity(name, augs);
  }

  public void ignorableWhitespace(XMLString text, Augmentations augs) throws XNIException {
    side.ignorableWhitespace(text, augs);
    next.ignorableWhitespace(text, augs);
  }

  public void processingInstruction(String target, XMLString data, Augmentations augs)
      throws XNIException {
    side.processingInstruction(target, data, augs);
    next.processingInstruction(target, data, augs);
  }

  public void startCDATA(Augmentations augs) throws XNIException {
    side.startCDATA(augs);
    next.startCDATA(augs);
  }

  public void startDocument(
      XMLLocator locator,
      String encoding,
      NamespaceContext namespaceContext,
      Augmentations augs)
      throws XNIException {
    side.startDocument(locator, encoding, namespaceContext, augs);
    next.startDocument(locator, encoding, namespaceContext, augs);
  }

  public void startElement(QName element, XMLAttributes attributes, Augmentations augs)
      throws XNIException {
    side.startElement(element, attributes, augs);
    next.startElement(element, attributes, augs);
  }

  public void startGeneralEntity(String name, XMLResourceIdentifier identifier, String encoding,
      Augmentations augs)
      throws XNIException {
    side.startGeneralEntity(name, identifier, encoding, augs);
    next.startGeneralEntity(name, identifier, encoding, augs);
  }

  public void textDecl(String version, String encoding, Augmentations augs) throws XNIException {
    side.textDecl(version, encoding, augs);
    next.textDecl(version, encoding, augs);
  }

  public void xmlDecl(String version, String encoding, String standalone, Augmentations augs)
      throws XNIException {
    side.xmlDecl(version, encoding, standalone, augs);
    next.xmlDecl(version, encoding, standalone, augs);
  }

}
